Don't show motd if not available

data/cdata/ui_scripts/motd/motd.lua

@@ -11,6 +11,10 @@ LUI.MenuBuilder.registerPopupType("motd", function()
 end)
 
 LUI.onmenuopen("main_campaign", function(menu)
+    if (not motd.hasmotd()) then
+        return
+    end
+
     if (not motd.hasseentoday()) then
         motd.sethasseentoday()
         LUI.FlowManager.RequestPopupMenu(nil, "motd")

src/client/component/motd.cpp

@@ -233,6 +233,15 @@ namespace motd
 		});
 	}
 
+	bool has_motd()
+	{
+		return marketing.access<bool>([](nlohmann::json& data)
+			-> nlohmann::json
+		{
+			return data.is_object() && data["motd"].is_object();
+		});
+	}
+
 	class component final : public component_interface
 	{
 	public:

src/client/component/motd.hpp

@@ -8,4 +8,5 @@ namespace motd
 	int get_num_featured_tabs();
 	nlohmann::json get_motd();
 	nlohmann::json get_featured_tab(const int index);
+	bool has_motd();
 }

src/client/component/ui_scripting.cpp

@@ -654,6 +654,8 @@ namespace ui_scripting
 				const auto now = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
 				config::set<uint64_t>("motd_last_seen", static_cast<uint64_t>(now));
 			};
+
+			motd_table["hasmotd"] = motd::has_motd;
 		}
 
 		void start()